Threshold amount of consideration transferred in a business combination.

No definition available.

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- Definition

After closing period during which consecutive trading days should not be taken in to account.

+ References

No definition available.

+ Details

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- Definition

Consecutive Trading days during which last reported sale price exceeds.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

The last reported sale price threshold that must be achieved per share of southport common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	port_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of lock up shares on which restrictions for transfer of shares was imposed.

+ References

No definition available.

+ Details

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Namespace Prefix:	port_
Data Type:	dtr-types:percentItemType
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Period Type:	duration

- Definition

Restriction period after closing of business combination during which restrictions on transfer of shares was imposed.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Trading days during which last reported sale price exceeds.

+ References

No definition available.

+ Details

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Namespace Prefix:	port_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expenses cap as a part of merger condition.

+ References

No definition available.

+ Details

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Namespace Prefix:	port_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of deduct able transaction costs cap as a part of merger condition.

+ References

No definition available.

+ Details

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Namespace Prefix:	port_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of deductible transaction costs cap as a part of merger condition.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of net intangible assets to be maintained by southport acquisition corporation as a part of merger condition.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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- Details

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Description of Organization and Summary of Significant Accounting Policies -Organization (Details)			3 Months Ended	12 Months Ended
	Feb. 14, 2025 USD ($)	Feb. 13, 2025 USD ($)	Mar. 31, 2025 USD ($) D $ / shares shares	Dec. 31, 2024 USD ($) D $ / shares shares	Sep. 11, 2024 $ / shares	Apr. 08, 2024 shares	Dec. 31, 2023 $ / shares
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares					$ 0.0001
Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.001	$ 0.001			$ 0.001
Net intangible assets			$ 5,000,001
Deductible transaction costs		$ 3,500,000
Lock Up Shares 33.0 Percent \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Percentage of lock up shares			33.00%	33.00%
Class A Common Stock
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.0001	$ 0.0001			$ 0.0001
Warrant conversion \| shares						1
Class A Common Stock \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			0.001	0.001
Southport, Sigma Merger Sub, Inc. \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.0001	$ 0.0001
Business Combination, Consideration, Threshold Amount			$ 1,500,000,000	$ 1,500,000,000
Aggregate gross proceeds of any capital, by company divided \| $ / shares			$ 10	$ 10
Restriction period			1 year	1 year
Merger agreement to increase the amount of expenses	$ 11,415,000	11,000,000
Deductible transaction costs	3,863,342
Southport, Sigma Merger Sub, Inc. \| Lock Up Shares 33.0 Percent \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Last reported sale price common stock \| $ / shares			$ 12.5	$ 12.5
Trading days \| D			20	20
Consecutive trading days \| D			30	30
After closing period for non commencement of consecutive trading days \| D			30	30
Southport, Sigma Merger Sub, Inc. \| Lock Up Shares 50.0 Percent \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Percentage of lock up shares			50.00%	50.00%
Last reported sale price common stock \| $ / shares			$ 15	$ 15
Trading days \| D			20	20
Consecutive trading days \| D			30	30
After closing period for non commencement of consecutive trading days \| D				30
Southport, Sigma Merger Sub, Inc. \| Subsequent event \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Merger agreement to increase the amount of expenses	11,415,000	11,000,000
Deductible transaction costs	3,863,342	$ 3,500,000
Southport, Sigma Merger Sub, Inc. \| Minimum \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Net intangible assets	5,000,001			$ 5,000,001
Southport, Sigma Merger Sub, Inc. \| Minimum \| Subsequent event \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Net intangible assets	$ 5,000,001
Southport, Sigma Merger Sub, Inc. \| Class A Common Stock \| Angel Studios Inc. Cik0001671941
Description of Organization and Summary of Significant Accounting Policies
Warrant conversion \| shares			0.1	0.1